Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 866051-04-9

Purity 97%+In StockPharmaceutical Standards
CAS No.866051-04-9
Molecular FormulaC17H19NO7S3
Molecular Weight445.53 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 866051-04-9 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate.

Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 866051-04-9) is a high-purity analytical reference standard with the molecular formula C17H19NO7S3 and a molecular weight of 445.53 g/mol.

Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (C17H19NO7S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures Ethyl 6-(ethylsulfonyl)-4-(thiophen-2-ylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H19NO7S3
Molecular Weight445.53 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1
Sulfur Atoms3

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